If you are not sure if the website you want to visit is safe, you can check it out here. Enter the address (url) of the website and see the invisible elements, such as a header or meta data.
site address:img.grouponcdn.com/sls/ZgivtZX6D7iPGydfW4kR81qkkB8/gcx-electronics-335x205/v1/q7...
favicon.ico:
URL does not point to a web page (html/xhtml) or read error or page not found. (5002)

Header

HTTP/1.1 200 OK
Server nginx/1.12.2
Content-Type image/jpeg
Content-Length 8193
Last-Modified Wed, 22 Aug 2018 20:29:41 GMT
ETag 126069b4878d54d41dd3c79d107e34ce
Cache-Control public, max-age=2591956
Expires Sat, 22 May 2021 13:16:36 GMT
Date Thu, 22 Apr 2021 13:17:20 GMT
Connection keep-alive
Access-Control-Allow-Origin *

Load Info

page size8193
load time (s)0.230004
redirect count0
speed download35621
server IP92.122.202.168


* all occurrences of the string "http://" have been changed to "htt???/"